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Published on 2010-03-23T11:24:22Z
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2010/03/23
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Hit count: 221
found this regex:
insert " " every 10 characters:
$text = preg_replace("|(.{10})|u", "\${1}"." ", $text);
can you, please, explain what \${1} means. Why using \ and what curly brackets means?
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